Server-Side Rendering with Angular Universal
1. Introduction
Server-Side Rendering (SSR) with Angular Universal allows you to render your Angular applications on the server. This enhances performance and improves SEO, providing a better user experience.
2. Key Concepts
2.1 What is Angular Universal?
Angular Universal is a tool for rendering Angular applications on the server using Node.js.
2.2 Benefits of SSR
- Improved SEO
- Faster initial load time
- Better user experience
3. Setup
To set up Angular Universal, follow these steps:
- Install Angular Universal:
- Build the application:
- Serve the application:
ng add @nguniversal/express-engine
npm run build:ssr
npm run serve:ssr
4. Code Example
Here is a simple example of a server-side rendered Angular component:
import { Component } from '@angular/core';
@Component({
selector: 'app-hello',
template: 'Hello from Angular Universal!
'
})
export class HelloComponent { }
5. Best Practices
When implementing Angular Universal, consider these best practices:
- Use lazy loading to enhance performance.
- Avoid client-side specific code in shared modules.
- Test your application thoroughly on both client and server sides.
6. FAQ
What is the difference between SSR and client-side rendering?
SSR renders pages on the server, while client-side rendering sends a blank page to the client and uses JavaScript to render the content.
Can I use Angular Universal for existing Angular applications?
Yes, Angular Universal can be added to existing Angular applications with minimal effort.